/Engine/Source/Developer/HierarchicalLODUtilities/Public/IHierarchicalLODUtilities.h
Recursively retrieves Actors from a LODActor and its child LODActors
void ExtractSubActorsFromLODActor ( [AActor](API\Runtime\Engine\GameFramework\AActor) * Actor, [TArray](API\Runtime\Core\Containers\TArray)< [AActor](API\Runtime\Engine\GameFramework\AActor) * > & InOutActors )